chore: add @file directive to C bindings (#135)

Doxygen requires `@file` directives in files that contain global
functions, which for us is the C bindings.

Author: cwaldren-ld

libs/client-sdk/include/launchdarkly/client_side/bindings/c/sdk.h

@@ -1,5 +1,7 @@
+/** @file sdk.h
+ * @brief LaunchDarkly Client-side C Bindings.
+ */
 // NOLINTBEGIN modernize-use-using
-
 #pragma once
 
 #include <launchdarkly/bindings/c/config/config.h>

libs/common/include/launchdarkly/bindings/c/array_builder.h

@@ -1,3 +1,4 @@
+/** @file */
 // NOLINTBEGIN modernize-use-using
 
 #pragma once

libs/common/include/launchdarkly/bindings/c/config/builder.h

@@ -1,3 +1,4 @@
+/** @file */
 // NOLINTBEGIN modernize-use-using
 
 #pragma once

libs/common/include/launchdarkly/bindings/c/config/config.h

@@ -1,3 +1,4 @@
+/** @file */
 // NOLINTBEGIN modernize-use-using
 
 #pragma once

libs/common/include/launchdarkly/bindings/c/context.h

@@ -1,3 +1,4 @@
+/** @file */
 // NOLINTBEGIN modernize-use-using
 
 #pragma once

libs/common/include/launchdarkly/bindings/c/context_builder.h

@@ -1,3 +1,4 @@
+/** @file */
 // NOLINTBEGIN modernize-use-using
 
 #pragma once

libs/common/include/launchdarkly/bindings/c/data/evaluation_detail.h

@@ -1,3 +1,4 @@
+/** @file */
 // NOLINTBEGIN modernize-use-using
 
 #pragma once

libs/common/include/launchdarkly/bindings/c/listener_connection.h

@@ -1,3 +1,4 @@
+/** @file */
 // NOLINTBEGIN modernize-use-using
 
 #pragma once
@@ -18,7 +19,7 @@ extern "C" {  // only need to export C interface if
  * Freeing an LDListenerConnection does not disconnect the connection. If it is
  * deleted, without being disconnected, then the listener will remain active
  * until the associated SDK is freed.
-*/
+ */
 typedef struct _LDListenerConnection* LDListenerConnection;
 
 /**
@@ -27,7 +28,8 @@ typedef struct _LDListenerConnection* LDListenerConnection;
  * @param connection The connection for the listener to disconnect.
  * Must not be NULL.
  */
-LD_EXPORT(void) LDListenerConnection_Disconnect(LDListenerConnection connection);
+LD_EXPORT(void)
+LDListenerConnection_Disconnect(LDListenerConnection connection);
 
 /**
  * Free a listener connection.

libs/common/include/launchdarkly/bindings/c/memory_routines.h

@@ -1,3 +1,4 @@
+/** @file */
 // NOLINTBEGIN modernize-use-using
 
 #pragma once

libs/common/include/launchdarkly/bindings/c/object_builder.h

@@ -1,3 +1,4 @@
+/** @file */
 // NOLINTBEGIN modernize-use-using
 
 #pragma once

libs/common/include/launchdarkly/bindings/c/status.h

@@ -1,3 +1,4 @@
+/** @file */
 // NOLINTBEGIN modernize-use-using
 
 #pragma once

libs/common/include/launchdarkly/bindings/c/value.h

@@ -1,3 +1,4 @@
+/** @file */
 // NOLINTBEGIN modernize-use-using
 
 #pragma once